what is thermal radiation?
Asked by prakamya | 7th Dec, 2009, 04:45: PM
Thermal Radiation - The radiation from an object due to it's thermal content, the temperautre.
Every object with a temperature greater than absolute zero, emits radiation - electromagnetic waves. The radiation frequency is related to the temperature of the object. At sufficiently high temperature, iron rod appears red, this is because the thermal radiation has a frequency of red light.
Answered by | 7th Dec, 2009, 06:53: PM
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